[σάπφειρος] of Hebrew origin (H5601); a "sapphire" or lapis-lazuli gem
Usages throughout the bible
Revelation 21:19
-
And the foundations of the wall of the city were garnished with all manner of precious stones. The first foundation was jasper; the second, sapphire; G4552 the third, a chalcedony; the fourth, an emerald;